Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889699 | Partial oxidation process | Mitri S. Najjar | 1989-12-26 |
| 4828579 | Thermally insulated quench ring for a gasifier | Allen M. Robin, John Saunders Stevenson | 1989-05-09 |
| 4803061 | Partial oxidation process with magnetic separation of the ground slag | Mitri S. Najjar | 1989-02-07 |
| 4801307 | Quench ring and dip-tube assembly | James R. Muenger, Americo R. Catena, John Saunders Stevenson, Anthony E. Bergin, John M. Veillon | 1989-01-31 |